Model Questions for RRB LOCO PILOT(ALP) Exam : Maths Set -19

Model Questions for RRB LOCO PILOT(ALP) Exam : Maths Set -19

1. The area of a circle is 38.5 sq. cm. Its circumference (in cm) is
(a) 22
(b) 24
(c) 26
(d) 32

2. The breadth of a rectangular hall is three-fourths of its length. If the area of the floor is 768 sq. m. then the difference between the length and breadth of the hall is
(a) 8 metres
(b) 12 metres
(c) 24 metres
(d) 32 metres

3. A metallic hemisphere is melted and recast in the shape of a cone with the same base radius (R) as that of the hemisphere. If H is the height of the cone, then
(a) H = 2R
(d) B = 3R

4. A conical vessle whose internal radius is 12 cm and height 50 cm is full of liquid. The contents are emptied into a cylindrical vessel with radius (internal) 10 cm. The height to which the liquid rises in the cylindrical vessel is
(a) 25cm
(b) 20cm
(c) 24cm
(d) 22cm

5. Two right circular cylinders of equal volume have their heights in the ratio 1 : 2. The ratio of their radii is
(b) 2 : 1
(c) 1 : 2
(d) 1 : 4

6. A and B can do a work in 12 days. B and C in 15 days. C and A in 20 days. If A, B and C work together, they will complete the work in:
(a) 5 days
(c) 10 days

7. A is thrice as good a work­man as B and therefore, able to finish a job in 60 days less than B. Working together they will do it in:
(a) 20 days
(c) 25 days
(d) 30 days

8. Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both pipes are opened together, the time taken to fill the tank is:
(a) 50 minutes
(b) 12 minutes
(c) 25 minutes
(d) 15 minutes

9. If 6 men and 8 boys can do a piece of work in 10 days and 266 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys to do the same type of work will be:
(a) 5 days
(b) 4 days
(c) 6 days
(d) 7 days

10. A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in:
(a) 5 days
(c) 8 days
(d) 10 days